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Historic England Research Records

Cass Ny Hawin

Hob Uid: 29926
Location :
Isle Of Man
Middle
Santon
Grid Ref : SC2973069490
Summary : Earthwork remains of an Early Medieval promontory fort.
More information : [SC 29736949] Fort [NR] (1)

On both sides of Santon River at Cass ny Hawin lies one promontory fort (damaged by erosion) with a ditch across the neck and surrounded by an earthen bank. Viking or post Viking by analogy with an excavated site [The analogy probably applies to the pre-Viking fort excavated 1955 at Poyll Vaaish which cancels Bersu's excavation as dating value]. (2-3)

Topographically, by its size and construction, this fort is similar to the 1-800 AD (poss 5-6th C) Promontory fort at (SC 26 NW 1). It utilizes an almost vertical drop in the north and west and is surrounded by a periphery bank with a max internal height of 1.7m. Another ditch on the landward side is almost ploughed out and the remaining portion has a max width of 5.0m. The max depth from the outer lip is 1.1m with the drop from the top of the periphery bank 2.5m. The bank has several probably modern breaks on the landward side but no original entrance could be detected. The fort is grass covered and no trace of internal habitations was found. (4)

(SC 29736949) Earthwork (NR) (5)

Sources :
Source Number : 1
Source :
Source details : OS 6" 1869
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Source Number : 2
Source :
Source details : Antiq J 29 1949 p77 (G Bersu)
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Source Number : 3
Source :
Source details : List of Manx Antiqs 1930 p68 (P M C Kermode)
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Source Number : 4
Source :
Source details : F1 DE 07.12.55
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Source Number : 5
Source :
Source details : OS 6" 1957
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Monument Types:
Monument Period Name : Early Medieval
Display Date : Early Medieval
Monument End Date : 1066
Monument Start Date : 410
Monument Type : Promontory Fort
Evidence : Earthwork

Components and Objects:
Related Records from other datasets:
External Cross Reference Source : National Monuments Record Number
External Cross Reference Number : SC 26 NE 3
External Cross Reference Notes :

Related Warden Records :
Related Activities :
Associated Activities :
Activity type : FIELD OBSERVATION (VISUAL ASSESSMENT)
Start Date : 1955-12-07
End Date : 1955-12-07